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Guide you to understand the function and efficacy of Bacillus licheniformis

0 Author 2025-01-17 08:47:38

Bacillus licheniformis

The following is a detailed introduction about Bacillus licheniformis:

essential information

      Classification status: Bacillus licheniformis belongs to the genus Bacillus and is a Gram positive bacterium.
Morphological features: Cells are rod-shaped, solitary, with a size of 0.8 μ m × (1.5-3.5) μ m. It can produce nearly medium-sized elliptical spores, with slightly enlarged sporangia and no poly - β - hydroxybutyrate (PHB) particles inside the cells.

Microbial Bacillus licheniformis

      Cultivation characteristics: The colonies on the meat juice medium are flat, with irregular edges, white color, and rough wrinkles on the surface. After 24 hours, the colony diameter is 3mm.

Mechanism of action

      Biological oxygen deprivation: Bacillus licheniformis is an aerobic bacterium that can consume oxygen in the intestine after entering, creating a low oxygen environment in the intestine that is conducive to the growth and reproduction of anaerobic bacteria such as bifidobacteria and lactobacilli, thereby inhibiting the growth of aerobic pathogenic bacteria.

      Antagonistic effect: It can produce various antibacterial substances, such as short bacteriocins, polymyxin, subtilisin, nystatin, etc., which have antagonistic effects on pathogenic bacteria such as Staphylococcus, Candida albicans, and yeast like bacteria, inhibiting their growth and reproduction.

      Competitive effect: Through nutritional and spatial competition, it competes with pathogens for nutrients and living space, quickly occupying ecological niches, preventing and interfering with pathogen invasion of plant leaves and other organs, achieving the effect of disease prevention and treatment.

      Lysogenic effect: It can secrete lytic substances such as chitinase, cellulase, and glucanase, dissolve the cell wall or membrane of pathogenic bacteria, cause the hyphae of pathogenic bacteria to break or disintegrate, or cause perforation or deformity of the spore cell wall of pathogenic bacteria, thereby inhibiting spore germination.

      Immune regulation: promotes the growth, development, and maturation of immune organs in plant organisms, activates immune factors, stimulates the immune response of the plant body, and improves immune function; It can also regulate the intestinal immune system in animals and enhance the body's immune defense ability.

application area 

      In the field of medicine, it is used to treat acute and chronic enteritis and diarrhea caused by bacteria or fungi, and can also be used for the prevention and treatment of gastrointestinal dysbiosis caused by other reasons. Preparations such as Bacillus licheniformis capsules and granules can regulate intestinal microbiota imbalance and restore intestinal function.

      In the field of agriculture: as a biological fertilizer, it can decompose organic matter in soil, improve soil fertility, improve aggregate structure, and enhance soil water and energy storage effects; As a biological control agent, it can inhibit the reproduction of pathogenic bacteria in soil, reduce the incidence of soil borne diseases, induce systemic resistance in plants, and improve crop disease resistance.

      In the field of aquaculture, adding Bacillus licheniformis to feed can effectively reduce feed costs, enhance animal immune function, promote growth and development, and also degrade preservatives and residual drugs in feces, reducing environmental harm.
 
      In the industrial field, Bacillus licheniformis can produce various enzymes such as protease, amylase, lipase, cellulase, etc., which can be used in industrial production such as food processing, brewing, textile, papermaking, etc., to improve production efficiency and product quality.

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